Single Crystal Quartz Wafers
Single Crystal Quartz Wafers
Our abundance experience at growing and mass production for piezo grade quartz . We are equipped with advanced facilities at Crystal growing, wafer lapping, polishing and checking.
Our R&D is active at developing and researching from big material to process 8” quartz wafer or more.
Find here details of CQT selling lithium niobate wafer, lithium tantanlate wafer, piezo single crystal blanksand glass substrates for biochemistry.
Product Parameters
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Material |
QuartzCrystal |
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Cutting Angle |
X/Y/Z/AT32、33、36/BT/ST42.75°-cut etc |
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Diameter/size |
3”(76.2mm) |
4” （100mm) |
6"(150mm) |
8"(200mm) |
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Tol(±) |
<0.20 mm |
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ThinnestThickness |
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Primary Flat |
22mm |
32mm |
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LTV (5mmx5mm) |
<1µm |
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TTV |
<3µm |
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Bow |
-30<bow<30 |
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Warp |
<40µm |
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PLTV(<0.5um) |
≥95%(5mm*5mm) |
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Orientation Flat |
All available |
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Surface Type |
Single Side Polished /Double Sides Polished |
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Polished side Ra |
<0.5nm |
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Back Side Criteria |
General is 0.2-0.5µm or as customized |
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Edge Criteria |
R=0.2mm or Bullnose |
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Material Property |
ECD |
Betterthan grade 4 |
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Inclusion |
Betterthan grade II |
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Q-Value |
Betterthan grade C |
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Wafer Surface Criteria |
Particles ￠>0.3 µ m |
<= 30 |
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Scratch , Chipping |
None |
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Defect |
No edge cracks, scratches, saw marks, stains |
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Packaging |
Qty/Wafer box |
25pcs per box |
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CQTdedicatedtoproduceseries glass wafers, fused silica wafers, SAW grade lithium tantalate wafers, optical grade lithium tantalate wafers, SAW grade lithium niobate wafers, optical grade lithium niobate wafers. CQT is a leading Chinese manufacturer who involves in piezoelectric crystals, surfaceacoustic wave filtersand the single crystal growth.
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